Vesper main shot — ~900×1125px (4:5) · device on dark background
Angle
Eyepiece
Data sheet
In hand
Entry · Gen 2+
The Vesper
Your first real set of night vision: a tested, auto-gain Gen 2+ tube in a nitrogen-purged, helmet-ready housing — shipped with the measured data sheet for your exact unit.
Gen 2+Auto-gain
FOM 1400–1600White P45
Nitrogen-purgedData sheet incl.
$2,050
Ships in ~3–5 business days
- Twilight Vesper monocular (white P45 phosphor)
- Measured tube data sheet for your serial number
- Soft carry pouch
- Lens cap & manual
Backed by our 1-year limited warranty. Opening the nitrogen-purged housing voids coverage.
Measured data sheet per unitNitrogen-purged & sealed
1-year warrantyUS-based service
Specifications
What's inside the Vesper
Listed values are the tube's rated spec. Your unit ships with its own measured sheet — actual numbers often exceed these minimums.
| Generation | Gen 2+ |
| Tube class | Q4-B class |
| Figure of Merit (FOM) | 1400–1600 |
| Resolution | ≥64 lp/mm |
| Signal-to-Noise (SNR) | ≥22 |
| Photocathode sensitivity | ≈650 µA/lm |
| Luminance gain | ≥8,000 cd/m²/lx |
| EBI | ≤0.25 µlx |
| Phosphor | White (P45) |
| Auto-gain | Yes |
| Housing | Nitrogen-purged, helmet-ready |
| Sacrificial lens | Optional add-on |
| Warranty | 1 year, limited |
| Data sheet | Measured, included with every unit |
Pairs well with